Subtract 90/16 from 36/45, Solve 36/45

Subtract 90/16 from 36/45

1^st number: 36/45, 2^nd number: 5 10/16

36/45 - 90/16 is -193/40.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 16 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 45 × 16 = 720,
36/45 = 36 × 16/45 × 16 = 576/720
Likewise, for the 2nd fraction, since 16 × 45 = 720,
90/16 = 90 × 45/16 × 45 = 4050/720
Subtract the two like fractions:
576/720 - 4050/720 = 576 - 4050/720 = -3474/720
After reducing the fraction, the answer is -193/40

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